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added tests, prototypes, and stubs for AES-CCM

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This commit is contained in:
John Safranek 2013-01-08 12:16:53 -08:00
parent f3a0d311a0
commit e85caee845
3 changed files with 162 additions and 0 deletions
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67
ctaocrypt/src/aes.c
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@ -2541,6 +2541,73 @@ int AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
void AesCcmSetKey(Aes* aes, const byte* key, word32 keySz,
const byte* implicitIV, word32 ivSz)
{
(void)aes;
(void)key;
(void)keySz;
(void)implicitIV;
(void)ivSz;
}
void AesCcmSetExpIV(Aes* aes, const byte* iv, word32 ivSz)
{
(void)aes;
(void)iv;
(void)ivSz;
}
void AesCcmGetExpIV(Aes* aes, byte* iv, word32 ivSz)
{
(void)aes;
(void)iv;
(void)ivSz;
}
void AesCcmIncExpIV(Aes* aes)
{
(void)aes;
}
void AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz)
{
(void)aes;
(void)out;
(void)in;
(void)sz;
(void)authTag;
(void)authTagSz;
(void)authIn;
(void)authInSz;
}
int AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz)
{
(void)aes;
(void)out;
(void)in;
(void)sz;
(void)authTag;
(void)authTagSz;
(void)authIn;
(void)authInSz;
return 0;
}
#endif
#endif /* STM32F2_CRYPTO */
int AesSetIV(Aes* aes, const byte* iv)

82
ctaocrypt/test/test.c
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@ -112,6 +112,7 @@ int des_test(void);
int des3_test(void);
int aes_test(void);
int aesgcm_test(void);
int aesccm_test(void);
int rsa_test(void);
int dh_test(void);
int dsa_test(void);
@ -292,6 +293,13 @@ void ctaocrypt_test(void* args)
else
printf( "AES-GCM test passed!\n");
#endif
#ifdef HAVE_AESCCM
if ( (ret = aesccm_test()) )
err_sys("AES-CCM test failed!\n", ret);
else
printf( "AES-CCM test passed!\n");
#endif
#endif
if ( (ret = random_test()) )
@ -1571,6 +1579,80 @@ int aesgcm_test(void)
}
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
int aesccm_test(void)
{
Aes enc;
/* key */
const byte k[] =
{
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf
};
/* nonce */
const byte iv[] =
{
0x00, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0xa0,
0xa1, 0xa2, 0xa3, 0xa4, 0xa5
};
/* plaintext */
const byte p[] =
{
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e
};
const byte a[] =
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
};
const byte c[] =
{
0x58, 0x8c, 0x97, 0x9a, 0x61, 0xc6, 0x63, 0xd2,
0xf0, 0x66, 0xd0, 0xc2, 0xc0, 0xf9, 0x89, 0x80,
0x6d, 0x5f, 0x6b, 0x61, 0xda, 0xc3, 0x84, 0x17,
0xe8, 0xd1, 0x2c, 0xfd, 0xf9, 0x26, 0xe0
};
const byte t[] =
{
0x3a, 0x2e, 0x46, 0xc8, 0xec, 0x33, 0xa5, 0x48
};
byte t2[sizeof(t)];
byte p2[sizeof(p)];
byte c2[sizeof(c)];
int result;
memset(t2, 0, sizeof(t2));
memset(c2, 0, sizeof(c2));
memset(p2, 0, sizeof(p2));
AesCcmSetKey(&enc, k, sizeof(k), iv, sizeof(iv));
/* AES-CCM encrypt and decrypt both use AES encrypt internally */
AesCcmEncrypt(&enc, c2, p, sizeof(c2), t2, sizeof(t2), a, sizeof(a));
if (memcmp(c, c2, sizeof(c2)))
return -107;
if (memcmp(t, t2, sizeof(t2)))
return -108;
result = AesCcmDecrypt(&enc,
p2, c2, sizeof(p2), t2, sizeof(t2), a, sizeof(a));
if (result != 0)
return -109;
if (memcmp(p, p2, sizeof(p2)))
return -110;
return 0;
}
#endif /* HAVE_AESCCM */
#endif /* NO_AES */

13
cyassl/ctaocrypt/aes.h
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@ -105,6 +105,19 @@ CYASSL_API int AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* HAVE_AESGCM */
#ifdef HAVE_AESCCM
CYASSL_API void AesCcmSetKey(Aes* aes, const byte* key, word32 keySz,
const byte* implicitIV, word32 ivSz);
CYASSL_API void AesCcmSetExpIV(Aes* aes, const byte* iv, word32 ivSz);
CYASSL_API void AesCcmGetExpIV(Aes* aes, byte* iv, word32 ivSz);
CYASSL_API void AesCcmIncExpIV(Aes* aes);
CYASSL_API void AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
CYASSL_API int AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
const byte* authTag, word32 authTagSz,
const byte* authIn, word32 authInSz);
#endif /* HAVE_AESCCM */
#ifdef __cplusplus